Apple has started pushing security alerts to iPhones still running iOS 17 and earlier versions, warning users that known vulnerabilities in their software are being actively exploited by attackers. The notifications arrive as the U.

Apple’s iOS 26.4 update is here. From the AI Playlist Playground to critical Liquid Glass display fixes and 8 new emojis, we break it down.

OS 26.4 is the next big iPhone release, and Apple plans to enable a key security feature by default in the update: Stolen Device Protection.

Typically, after Apple introduces a new major version of its operating system, it stops pushing out the old version to compatible phones. Older phones that are incompatible with the new version continue to get security updates, but newer phones have to jump to the newer operating system to get them.

OS 26.4 is here with AI playlists and a Sasquatch emoji, but you shouldn't ignore these critical security and camera settings.

Give your iPhone a makeover with iOS 26.4. From 3D Spatial effects to the new "Clear" icon look, here is how to fully customize your home and lock screen.